Header

Creates a version of the function that can only be called one time. Creates a version of the function that can only be called one time.

Header

Creates a version of the function that can only be called one time. Creates a version of the function that can only be called one time.

Creates a version of the function that can only be called one time. Creates a version of the function that can only be called one time.

Header

Creates a version of the function that can only be called one time. Creates a version of the function that can only be called one time.

Header

Creates a version of the function that can only be called one time. Creates a version of the function that can only be called one time.

Header

Creates a version of the function that can only be called one time. Creates a version of the function that can only be called one time.

Creates a version of the function that can only be called one time. Repeated calls to the
modified function will have no effect,
returning the value from the original call. Useful for initialization functions, instead of having to set a boolean flag and then check it later.

Creates a version of the function that can only
be called one time. Repeated calls to the modified function will
have no effect,
returning the value from the original call. Useful for initialization functions, instead of having to set a boolean flag and then check it later.

Creates a version of the function that can only be called one time. Repeated calls to the
modified function will have no effect,
returning the value from the original call. Useful for initialization functions, instead of having to set a boolean flag and then check it later.

Creates a version of the
function that can only be called one time. Repeated
calls to the modified function will have no effect, returning the value from the original call. Useful for initialization functions, instead of having to set a boolean flag and then check it later.

Creates a version of the function that can only be called one time.
Repeated calls to the modified function
will have no effect, returning the value from the original call. Useful for initialization functions, instead of having to set a boolean flag and then check it later.

Creates a version of the function that can only
be called one time. Repeated calls to the modified function will
have no effect,
returning the value from the original call. Useful for initialization functions, instead of having to set a boolean flag and then check it later.